Browser-based tool for generating OpenGL and DirectX tangent-space normal maps from images
Turn written ideas into polished, editable SVG diagrams
Stage
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free: $0/month with 10 diagrams per month and 24 starter designs. Pro: $15/month or $150/year with 50 diagrams and 74 designs. Power: $49/month or $490/year with 250 diagrams and 86 designs plus API access. Max: $99/month or $990/year with 600 diagrams and all 345 designs plus API access.
Key features
Local image processing
OpenGL and DirectX output
Sobel and Scharr filters
Material lighting preview
PNG export
Smoothing and strength controls
Edge behavior control (clamp or wrap)
Tiled preview
Height inversion
Interactive light inspection
Generate diagrams from text descriptions with hierarchy and visual direction
Access 345 diagram templates
Export as SVG and PNG in multiple sizes
Unlimited free edits and restyle diagrams
Apply brand colors and custom fonts
API access with configurable rate limits
Support for layered architecture, decision trees, funnels, matrices, and more
Automatic credit refund for failed generations
What makes it different
Runs entirely in the browser with no server upload or account required
Supports both OpenGL and DirectX normal map formats
Choice of Sobel or Scharr gradient filters for different texture quality
Free with no advertising, AI model, or payment system
Interactive material lighting preview to verify results
Every template is hand-designed and reviewed before AI fills it with content
Real, editable SVG output that stays sharp at any size
Restyle diagrams for free without spending additional credits
Non-commercial use available on free plan without card required
Commercial licensing available on Pro and higher plans
Normal Map Bench
svgdiagram.ai